Metformin hydrochloride

1-Methyl-3-nitroguanidine, certified, 0.1g

2-Methyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20928-02-3

Bis(2-ethylhexyl) phthalate, 10.0 µg/ml, Cyclohex